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...1D Kinematics: Motion in One Dimension
This assignment is due before 9AM, August 30.Please type LAST name: Please type your LAST NAME and LAST FOUR SS# digits (eg: Smith3256): I received no help from anyone on this assignment. The following three questions refer to the material you were to read in preparation to the lesson. Questions one and two require you to write a three or four sentence response. Number three is a multiple choice question. Click in the appropriate circle. You may change your mind as often as you wish. When you are satisfied with your responses, click the SUBMIT WARMUP button at the bottom of this page. 1.
A man drops a baseball from the edge of a roof of a building. At exactly the same time another man shoots a baseball vertically up towards the man on the roof in such a way that the ball just barely reaches the roof. Does the ball from the roof reach the ground before the ball from the ground reaches the roof, or is it the other way around?
2.Estimate the time it takes for a free fall drop from 10 meters height. Also estimate the time a 10 m platform diver would be in the air if he takes off straight up with a vertical speed of 2 m/s (and clears the platform of course!)3.
A football is kicked at ground level in such a way that the vertical component of its velocity is 10 m/s. If air drag would be
negligible the football would reach a maximum height of approximately
5 m 10 m 15 m It cannot be determined from the data.
Below is a space for your thoughts, including general comments about today's assignment. What was hard or confusing (or cool)? What would you like to spend extra time on in class? Do you see how this subject fits in with the others we have discussed?
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